Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 4.2 J 2268 J 80 J 336 J 4.2 J 2268 J 80 J 336 J ANSWER DOWNLOAD EXAMIANS APP
Physics An electric fuse is based on The chemical effect of the current The magnetic effect of the current All of these The heating effect of the current The chemical effect of the current The magnetic effect of the current All of these The heating effect of the current ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Burning of coal Burning of diesel Production of steam Flow of water Burning of coal Burning of diesel Production of steam Flow of water ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Displacement Energy Velocity Acceleration Displacement Energy Velocity Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because All of these It forms real image It forms erect (upright) image It forms smaller image as compared with object All of these It forms real image It forms erect (upright) image It forms smaller image as compared with object ANSWER DOWNLOAD EXAMIANS APP
Physics Centrifugal force increases with Pressure Acceleration Temperature Humidity Pressure Acceleration Temperature Humidity ANSWER DOWNLOAD EXAMIANS APP